The Legend B810 is a 32 ohm 10 stamped frame bass guitar driver. A true classic design with some important updates: an M-roll surround for higher excursion and less cone breakage a double-dipped cone apex for an extra-strong cone neck and a bumped back plate for greater voice coil travel before damage. Eminence s B810 offers classic sound with some modern features added to make a driver that will sound great and last a long time. Works well in small sealed enclosures and in some vented applications. The ultimate driver for classic 8 x 10 bass guitar cabinets. Use the Legend B810 four at a time connected in parallel to get an 8 ohm load. Eight of them connected in parallel will result in a 4 ohm load. Power handling: 150 watts RMS/300 watts max. VCdia: 2 . Le: 2.72 mH. Impedance: 32 ohms. Re: 27.5 ohms. Frequency range: 49-5 100 Hz. Magnet weight: 30 oz. Fs: 52.07 Hz. Sensitivity: 92.7 dB 1W/1m. Vas: 2.34 cu. ft. Qms: 13.91. Qes: 0.68. Qts: 0.65. Xmax: 4.7 mm. Dimensions: Overall diameter 10.11 Cutout diameter 9.13 Depth 4.08 .- SKU: TBALL8974